diff --git a/xrandroll/monitor_item.py b/xrandroll/monitor_item.py
index 8d2a209..16fba99 100644
--- a/xrandroll/monitor_item.py
+++ b/xrandroll/monitor_item.py
@@ -76,15 +76,16 @@ class MonitorItem(QGraphicsRectItem, QObject):
         current_pos = event.screenPos()
         new_pos = view.mapFromScene(self.orig_pos) + current_pos - click_pos
         new_pos = view.mapToScene(new_pos)
+        delta = view.mapToScene(0, 20).y()
         if not event.modifiers() & Qt.AltModifier:
             # Check for snaps
             x = new_pos.x()
             delta_x = min((abs(x - sx), i) for i, sx in enumerate(snaps_x))
-            if delta_x[0] < 50:  # snap
+            if delta_x[0] < delta:  # snap
                 new_pos.setX(int(snaps_x[delta_x[1]]))
             y = new_pos.y()
             delta_y = min((abs(y - sy), i) for i, sy in enumerate(snaps_y))
-            if delta_y[0] < 50:  # snap
+            if delta_y[0] < delta:  # snap
                 new_pos.setY(int(snaps_y[delta_y[1]]))
         self.setPos(new_pos)
         self.window.show_pos(int(self.pos().x()), int(self.pos().y()))